20288216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{523}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 41154960

約数和(自身を除く): 20866744

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 373, 523, 746, 1046, 1492, 2092, 2984, 4184, 4849, 6799, 9698, 13598, 19396, 27196, 38792, 54392, 195079, 390158, 780316, 1560632, 2536027, 5072054, 10144108, 20288216]

約数ペア:

[(1, 20288216), (2, 10144108), (4, 5072054), (8, 2536027), (13, 1560632), (26, 780316), (52, 390158), (104, 195079), (373, 54392), (523, 38792), (746, 27196), (1046, 19396), (1492, 13598), (2092, 9698), (2984, 6799), (4184, 4849)]